163 	struct extmnttab *mntp;  in nfs_unmount()  local
167 	mntp = mnttab_find(pathname);  in nfs_unmount()
168 	if (mntp) {  in nfs_unmount()
169 		pathname = mntp->mnt_mountp;  in nfs_unmount()
172 	if (mntp)  in nfs_unmount()
173 		is_v4 = is_v4_mount(mntp);  in nfs_unmount()
193 	if (mntp) {  in nfs_unmount()
194 		inform_server(mntp->mnt_special, mntp->mnt_mntopts, quick);  in nfs_unmount()
359 is_v4_mount(struct extmnttab *mntp)  in is_v4_mount()  argument
365 	if (mntp == NULL)  in is_v4_mount()
378 		if (mntp->mnt_minor != ksp->ks_instance)  in is_v4_mount()